# NoiseLab-Lite:Noise Meter,SLM — Noise Meter/Sound Meter/dB > Professional sound level meter app for iOS devices. (iPhone/iPad app by ZKXY Technology Co., Ltd.) - Source: https://appshunter.io/ios/app/noiselab-litenoise-meterslm/id1429481583 (this page in markdown: same URL + `.md`) - Developer: [ZKXY Technology Co., Ltd](https://appshunter.io/developer/1382478384) - Category: Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 3 App Store ratings · 5 written reviews indexed - Age rating: 4+ - Requires: iOS 15.6 · 5 MB - Languages: English, Chinese - Released: 2018-08-24 - Data updated: 2026-06-08 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/noiselab-litenoise-meterslm/id1429481583/reviews.md ## What is NoiseLab? NoiseLab is a professional noise meter APP developed by ZKXY (member of BSWA Group). It turns your iOS device into a professional sound level meter (SLM), precisely measures the sound pressure level around you. For acoustic engineers to comply with IEC and ASTM standards, it is essential to use external microphones. MicW i437 microphone is recommended to use in high-precision measurement, and i437 can be purchased in Amazon and other web-shops online. HIGHLIGHTS: - Support the built-in Microphone and the external microphone, the latter has 3 gains to choose. - Measurements of any combinations of Filter Z, A, B, C and Time detector Fast, Slow and Impulse simultaneously. - The system can be calibrated by using sound calibrators with 94 dB and 114 dB at 1000 Hz, or manual input of calibration factor. - Measured time history of sound pressure level can be saved into the list of history report and easily export to computer and send by email. About BSWA Group: Established in 1998, BSWA Group has twenty years of experiences in developing and manufacturing acoustical measurement instruments. BSWA’s products are distributed in over 40 countries through sales partners, covering the businesses of: - Manufacturing the world class measurement microphones - Developing acoustic measurement systems and devices - Designing and building anechoic chambers - Acoustical consulting for environmental and noise control projects. More information about BSWA Group for acoustic devices and advice please visit our website: www.bswa-tech.com. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Professional sound level meter - Built-in and external microphone support - Multiple filter and time detector options - System calibration with sound calibrators - Save and export measurement history - Developed by BSWA Group ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Loudness | $1.99 | per month | | Dosimeter | $1.99 | per month | | Audio Analysis | $3.99 | per month | | Noise Curve | $0.99 | per month | ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/noiselab-litenoise-meterslm/id1429481583/reviews.md ### 5/5 — Works with Calibration *2025-08-14, version 2.0.6* Surprisingly sensitive with calibration. Easy to use and good for general-purpose usage. ### 5/5 — Good app *2025-08-14, version 2.0.6* Easy to use ### 5/5 — Easy to use *2025-08-14, version 2.0.6* It’s a very powerful and accurate tool to measure noise. Also offer a calibration function for the microphone too. after all, you can’t talk about accuracy without proper calibration. ### 5/5 — user-friendly & accurate *2025-08-14, version 2.0.6* easy to use ### 5/5 — Great tool for enginner *2019-01-27, version 1.0.1* Great APP, compare the result with my sound level meter, which match pretty well! ## Frequently asked questions about NoiseLab ### What is NoiseLab-Lite? NoiseLab-Lite is a professional sound level meter application that converts your iOS device into a precise tool for measuring ambient sound pressure levels. It supports both built-in and external microphones for accurate readings. ### Does NoiseLab-Lite have ads? No, NoiseLab-Lite does not contain advertisements. It is a free app with optional in-app purchases for advanced features. ### What are the subscription options for NoiseLab-Lite? NoiseLab-Lite offers several subscription plans, including Noise Curve for $0.99/month, Loudness and Dosimeter for $1.99/month each with a 3-day free trial, and Audio Analysis for $3.99/month. ### How accurate is NoiseLab-Lite? For high-precision measurements, the app recommends using an external microphone like the MicW i437. The system can also be calibrated using sound calibrators or manual input for improved accuracy. ### Can I save and export my measurements with NoiseLab-Lite? Yes, measured sound pressure levels can be saved into a history report list. These reports can be easily exported to a computer or sent via email. ### What devices does NoiseLab-Lite support? NoiseLab-Lite is supported on iPhone and iPod devices. It has an age rating of 4+. ### How often is NoiseLab-Lite updated? The latest version of NoiseLab-Lite is 2.0.9, and it was last updated on September 21, 2025. This indicates a recent update, suggesting ongoing development and support. ### What is the user feedback on NoiseLab-Lite? NoiseLab-Lite has received a rating of 5.0 stars from 3 ratings, indicating very positive user sentiment based on the available data. ## Version history (last 5 releases) ### 2.0.9 — 2025-09-21 Optimize module functions. ### 2.0.8 — 2025-09-18 UI Bug Fixed. ### 2.0.7 — 2025-09-15 UI Bug fixed. ### 2.0.6 — 2025-08-13 Octave Bug Fixed. ### 2.0.5 — 2025-07-14 Noise Curve: UI optimization, modifying the line chart during testing Loudness: UI optimization, loudness octave changed to LEQ ## Apps similar to NoiseLab | App | Rating | Price | Category | | --- | --- | --- | --- | | [Decibel Metre (Sound Meter)](https://appshunter.io/ios/app/decibel-metre-sound-meter/id1590659820) | 4.5 (577) | Free | Utilities | | [Decibel - sound level meter](https://appshunter.io/ios/app/decibel-sound-level-meter/id1587049294) | 4.2 (409) | Free | Utilities | | [Decibel Meter - Sound Level dB](https://appshunter.io/ios/app/decibel-meter-sound-level-db/id1624503658) | 4.7 (1,242) | Free | Utilities | | [Decibel Meter - Sound DB Level](https://appshunter.io/ios/app/decibel-meter-sound-db-level/id6444840718) | 2.0 (4) | Free | Utilities | | [Cleaner Speaker Water Wave](https://appshunter.io/ios/app/cleaner-speaker-water-wave/id6447438880) | 4.3 (19) | Free | Utilities | | [Sound Meter (Decibel)](https://appshunter.io/ios/app/sound-meter-decibel/id1626613141) | 4.6 (2,631) | Free | Utilities | ## More apps by ZKXY Technology Co., Ltd - [NoiseLab: Noise Meter,SLM,dB](https://appshunter.io/ios/app/noiselab-noise-meterslmdb/id1382478385) - [AcousticLab](https://appshunter.io/ios/app/acousticlab/id1382478687) All apps by ZKXY Technology Co., Ltd: https://appshunter.io/developer/1382478384 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*